dolomite_as_a_biomineral_and_possible_implications

《dolomite_as_a_biomineral_and_possible_implications》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、maclanº9.septiembre‘08revistadelasociedadespañolademineralogía21DolomiteasaBiomineralandPossibleImplications/CRISOGONOVASCONCELOS(*),JUDITHA.MCKENZIELaboratoryofGeomicrobiology,ETHZürich(Switzerland)(*)e-mail:cris.vasconcelos@erdw.ethz.chTheadditionofbiologicalfactorstotheThesestudiesledto

2、theformulationofstudyofgeologicalproblemsopensCaSO4+CH3COOH™CaCO3+H2S+themicrobialmodelfordolomitenumerouspossibilitiestoperformH2O+CO2formation,inwhichSRBplayanexperimentstosimulatenaturalorimportantroletoovercomethekineticconditionsrelatedtospecifictimeCaMg(SO4)2+2CH3COOH™factorsinhibiti

3、ngprecipitation.periodsrelevanttoEarthhistory.Hence,CaMg(CO3)2+2H2S+2H2O+2CO2.Subsequently,Warthmannetal.(2000)itbecomesamajorgoalandchallengeandWarthmannetal.(2005)testedtheforgeochemiststodefineequationsandmicrobialmodelandisolatedanewparameters,whichmayberetainedasspeciesofhalotolerentS

4、RBbacterium,biogeochemicalsignalspreservedaswhichmediatesdolomiteformation.bioproductsintherockrecord.TheOthermodernnaturalenvironments,simulationofnaturalconditionsfromunderbothanoxicandoxicconditions,modernenvironmentsinlaboratorieshavebeeninvestigatedandprovidenewusingbacteriacultureexp

5、erimentsevidencetoexpandourunderstandingofopensthepossibilitytodefinespecificthemicrobialprocessesassociatedwithmetabolismsinvolvedinmineraldolomiteformation(Sanchezetal.,precipitation,whichmayhelpto2008).Althoughpreviousexperimentsdecipherancientenvironmentalrelateddolomiteprecipitationto

6、anoxicconditions.ThisinterdisciplinaryGeorgiiAdamovichNadsonconditions,itiscommonlyfoundinapproachlinkingEarthandLifesciences(1867-1940)environmentswithaerobichasbecomeoneofthemostenergizingFig.1.GeorgiiAdamovichNadsonwasaSovietcharacteristics,whichhavenowbeenbiologist,"oneofthepioneersofr

7、adioecologyinfrontiersinmodernnaturalsciences.Russia".In1930,hefoundedtheLaboratoryoftestedinlaboratoryexperiments.AllofTheintroductionofnewconceptualandMicrobiologyoftheRussianAcademyofSciencesthesestudiesindicatethatdiverseadvancedtechnologicalbreakthroughs(